package chapter3;

public class Testex1 {
    public static void main(String[] args) {
       ex1 s=new ex1();
        System.out.println(s.AddAB());;
        System.out.println(s.SubAB());
        System.out.println(s.MultiAB());
        System.out.println(s.DivAB());
    }
}
